package com.sky.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.context.BaseContext;
import com.sky.dto.*;
import com.sky.entity.*;
import com.sky.exception.AddressBookBusinessException;
import com.sky.exception.OrderBusinessException;
import com.sky.exception.ShoppingCartBusinessException;
import com.sky.mapper.*;
import com.sky.result.PageResult;
import com.sky.service.OrderService;
import com.sky.utils.WeChatPayUtil;
import com.sky.vo.OrderPaymentVO;
import com.sky.vo.OrderStatisticsVO;
import com.sky.vo.OrderSubmitVO;
import com.sky.vo.OrderVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.annotation.Order;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

@Service
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private AddressBookMapper addressBookMapper;
    @Autowired
    private ShoppingCartMapper shoppingCartMapper;
    @Autowired
    private OrderDetailMapper orderDetailMapper;
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private WeChatPayUtil weChatPayUtil;
    @Override
    public OrderSubmitVO ordersubmit(OrdersSubmitDTO ordersSubmitDTO) {
        AddressBook addressBook = addressBookMapper.getById(ordersSubmitDTO.getAddressBookId());
        if(addressBook==null){
            throw new AddressBookBusinessException(MessageConstant.ADDRESS_BOOK_IS_NULL);
        }
        ShoppingCart shoppingCart=new ShoppingCart();
        shoppingCart.setUserId(BaseContext.getCurrentId());
        List<ShoppingCart> shoppingCarts = shoppingCartMapper.selectIsExist(shoppingCart);
        if(shoppingCarts==null||shoppingCarts.size()==0){
            throw new ShoppingCartBusinessException(MessageConstant.SHOPPING_CART_IS_NULL);
        }
        Orders order = new Orders();
        BeanUtils.copyProperties(ordersSubmitDTO,order);
        order.setPhone(addressBook.getPhone());
        order.setAddress(addressBook.getDetail());
        order.setConsignee(addressBook.getConsignee());
        order.setNumber(String.valueOf(System.currentTimeMillis()));
        order.setUserId(BaseContext.getCurrentId());
        order.setStatus(Orders.PENDING_PAYMENT);
        order.setPayStatus(Orders.UN_PAID);
        order.setOrderTime(LocalDateTime.now());

        //向订单表插入1条数据
        orderMapper.insert(order);

        //订单明细数据
        List<OrderDetail> orderDetailList = new ArrayList<>();
        for (ShoppingCart cart : shoppingCarts) {
            OrderDetail orderDetail = new OrderDetail();
            BeanUtils.copyProperties(cart, orderDetail);
            orderDetail.setOrderId(order.getId());
            orderDetailList.add(orderDetail);
        }

        //向明细表插入n条数据
        orderDetailMapper.insertBatch(orderDetailList);

        //清理购物车中的数据
        shoppingCartMapper.deleteByUserId(BaseContext.getCurrentId());

        //封装返回结果
        OrderSubmitVO orderSubmitVO = OrderSubmitVO.builder()
                .id(order.getId())
                .orderNumber(order.getNumber())
                .orderAmount(order.getAmount())
                .orderTime(order.getOrderTime())
                .build();

        return orderSubmitVO;

    }

    @Override
    public OrderPaymentVO payment(OrdersPaymentDTO ordersPaymentDTO) throws Exception {
        Long userId = BaseContext.getCurrentId();
        User user = userMapper.getById(userId);

        //调用微信支付接口，生成预支付交易单
        JSONObject jsonObject = weChatPayUtil.pay(
                ordersPaymentDTO.getOrderNumber(), //商户订单号
                new BigDecimal(0.01), //支付金额，单位 元
                "苍穹外卖订单", //商品描述
                user.getOpenid() //微信用户的openid
        );

        if (jsonObject.getString("code") != null && jsonObject.getString("code").equals("ORDERPAID")) {
            throw new OrderBusinessException("该订单已支付");
        }

        OrderPaymentVO vo = jsonObject.toJavaObject(OrderPaymentVO.class);
        vo.setPackageStr(jsonObject.getString("package"));

        return vo;
    }

    @Override
    public PageResult selectHistoryOrder() {
        List<Orders> orders = orderMapper.orderListByUserId(BaseContext.getCurrentId());
        Integer count = orderMapper.OrderCount(BaseContext.getCurrentId());
        List<OrderVO> list=new ArrayList<>();
        if(orders!=null&&orders.size()>0){
            for (Orders order : orders) {
                List<OrderDetail> orderDetails=orderDetailMapper.getByOrderId(order.getId());
                OrderVO orderVO=new OrderVO();
                BeanUtils.copyProperties(order,orderVO);
                orderVO.setOrderDetailList(orderDetails);
                list.add(orderVO);

            }
        }
        return new PageResult(count,list);
    }

    @Override
    public void paySuccess(String outTradeNo) {
        Long userId = BaseContext.getCurrentId();

        // 根据订单号查询当前用户的订单
        Orders ordersDB = orderMapper.getByNumberAndUserId(outTradeNo, userId);

        // 根据订单id更新订单的状态、支付方式、支付状态、结账时间
        Orders orders = Orders.builder()
                .id(ordersDB.getId())
                .status(Orders.TO_BE_CONFIRMED)
                .payStatus(Orders.PAID)
                .checkoutTime(LocalDateTime.now())
                .build();

        orderMapper.update(orders);
    }

    @Override
    public OrderVO getOrderDetail(Long id) {
        Orders order = orderMapper.getOrderById(id);
        List<OrderDetail> orderDetails = orderDetailMapper.getByOrderId(id);
        OrderVO orderVO=new OrderVO();
        BeanUtils.copyProperties(order,orderVO);
        orderVO.setOrderDetailList(orderDetails);
        return orderVO;
    }

    @Override
    public void cancelOrder(Long id) {
        orderMapper.usercancel(id);
    }



    @Override
    public void repetitionOrder(Long id) {
        Orders order = orderMapper.getOrderById(id);
        order.setNumber(String.valueOf(System.currentTimeMillis()));
        order.setUserId(BaseContext.getCurrentId());
        order.setStatus(Orders.PENDING_PAYMENT);
        order.setPayStatus(Orders.UN_PAID);
        order.setOrderTime(LocalDateTime.now());
        orderMapper.insert(order);
        List<OrderDetail> list = orderDetailMapper.getByOrderId(id);
        //遍历订单详情集合，使每条数据绑定对应订单的id
        for (OrderDetail orderDetail : list) {
            orderDetail.setOrderId(order.getId());
        }
        orderDetailMapper.insertBatch(list);


    }

    @Override
    public OrderStatisticsVO getvariousCount() {
        OrderStatisticsVO orderStatisticsVO=new OrderStatisticsVO();
        Integer getconfirmed = orderMapper.getconfirmed();
        orderStatisticsVO.setConfirmed(getconfirmed);
        Integer integer = orderMapper.getoBeConfirmedCount();
        orderStatisticsVO.setToBeConfirmed(integer);
        Integer integer1 = orderMapper.getdeliveryInProgressCount();
        orderStatisticsVO.setDeliveryInProgress(integer1);
        return orderStatisticsVO;
    }

    @Override
    public PageResult listOrders(OrdersPageQueryDTO ordersPageQueryDTO) {
        PageHelper.startPage(ordersPageQueryDTO.getPage(),ordersPageQueryDTO.getPageSize());
        Page<Orders> orders = orderMapper.pageQuery(ordersPageQueryDTO);
        List<OrderVO> orderVoList = getOrderVoList(orders);
        return new PageResult(orders.getTotal(),orderVoList);


    }

    @Override
    public OrderVO getOrderDetailById(Long id) {
        Orders order = orderMapper.getOrderById(id);
        List<OrderDetail> byOrderId = orderDetailMapper.getByOrderId(id);
        OrderVO orderVO=new OrderVO();
        BeanUtils.copyProperties(order,orderVO);
        orderVO.setOrderDetailList(byOrderId);
        return orderVO;
    }

    @Override
    public void cancel(OrdersCancelDTO ordersCancelDTO) {
        orderMapper.cancel(ordersCancelDTO);
    }

    @Override
    public void reject(OrdersRejectionDTO ordersRejectionDTO) {
        orderMapper.reject(ordersRejectionDTO);
    }

    @Override
    public void delivery(Long id) {
        orderMapper.delivery(id);
    }

    @Override
    public void complete(Long id) {
        orderMapper.complete(id);
    }

    @Override
    public void confirm(OrdersConfirmDTO ordersConfirmDTO) {
        Orders orders = Orders.builder()
                .id(ordersConfirmDTO.getId())
                .status(Orders.CONFIRMED)
                .build();

        orderMapper.update(orders);
    }

    List<OrderVO> getOrderVoList(Page<Orders> page){
        //拿到orderVo集合
        List<OrderVO> orderVOS=new ArrayList<>();
        //拿到order集合
        List<Orders> orders = page.getResult();
        if(orders!=null){
            for (Orders order : orders) {
                OrderVO orderVO=new OrderVO();
                BeanUtils.copyProperties(order,orderVO);
                String ordersDetailStr = getOrdersDetailStr(order);
                orderVO.setOrderDishes(ordersDetailStr);
                orderVOS.add(orderVO);
            }
        }
                   return orderVOS;
    }
    String getOrdersDetailStr(Orders order){
        List<OrderDetail> orderDetails = orderDetailMapper.getByOrderId(order.getId());
        String detailSt=null;
        for (OrderDetail ol : orderDetails) {
            detailSt=ol.getName()+"*"+ol.getNumber()+" ";
        }
        return detailSt;
    }


}
